package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.SetmealDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.exception.BusinessRuntimeException;
import com.itheima.pojo.Permission;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

@Service
@Slf4j
public class PermissionServiceImpl implements PermissionService {

    @Autowired
    PermissionDao permissionDao;

    @Override
    public PageResult findByPage(QueryPageBean queryPageBean) {

        log.debug("service:" + queryPageBean);
        //1. 开始分页
        PageHelper.startPage(queryPageBean.getCurrentPage(), queryPageBean.getPageSize());
        //2. 条件查询
        Page<Permission> page = permissionDao.findByCondition(queryPageBean.getQueryString());
        log.debug("page{"+page+"}");
        //封装PageResult
        return new PageResult(page.getTotal(), page);
    }

    @Override
    public void add(Permission permission) {
        log.debug("service:{"+permission+"}");
        permissionDao.add(permission);
    }

    @Override
    public void delById(Integer id) {
        //查询当前权限是否和角色关联
        long count = permissionDao.findCountByPermissionId(id);
        if(count > 0){
            log.debug("当前权限被角色引用，不能删除!!!");
            //当前检查项被引用，不能删除
            throw new BusinessRuntimeException("当前权限被角色引用，不能删除!!!");
        }
        permissionDao.delById(id);
        log.debug("删除成功!!!");
    }

    @Override
    public Permission findById(Integer id) {
        return permissionDao.findById(id);
    }

    @Override
    public void edit(Permission permission) {
        permissionDao.edit(permission);
    }

    @Override
    public List<Permission> findAll() {
        return permissionDao.findAll();
    }
}
